diff --git a/README.md b/README.md
index 1f10a36..4993374 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,11 @@ console.log(JIS.list_options()); // ["earth", "venus"]
 
 JIS.select_option("earth");
 
+console.log(JIS.list_options()); // ["africa", "asia", "europe"]
+
 console.log(JIS.get_all_selected()); // ["galaxy", "milky-way", "earth"]
 
+
 ```
 
 # Installation